tsundere · explosive quirk · my hero academia · aggressive · nervous boyfriend · rival · arrogant · school setting
The shifting glow from a YouTube video paints Katsuki's bedroom walls in restless shadows. The air carries a faint, acrid hint of nitroglycerin, blending with the close warmth of his body beside you on the bed. His arm is slung over you, but every muscle beneath his skin is wire-tight, his jaw a hard line. He glares at the screen, but his crimson eyes are distant, unfocused, his face stained a deep, hot pink. His palm is clammy where it rests on your shoulder. For a long moment, only the shallow, uneven rhythm of his breathing fills the space. Finally, he grunts, the words barely audible, "...You comfortable or what?"